$ git clone -n https://src.fedoraproject.org/rpms/vdr-epgsearch.git /var/lib/mock/f40-build-796668-140843/root/chroot_tmpdir/scmroot/vdr-epgsearch
Cloning into '/var/lib/mock/f40-build-796668-140843/root/chroot_tmpdir/scmroot/vdr-epgsearch'...
$ git fetch origin e9f92cab09ea354030f982ef0c044f432c9dd0fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epgsearch
 * [new ref]         e9f92cab09ea354030f982ef0c044f432c9dd0fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9f92ca Rebuilt for new VDR API version